Home / 26,390,962.09-39,593,036.78-18,625,039.60

Finding the Fourth Proportional to 26,390,962.09, 39,593,036.78 and 18,625,039.60

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Solution

The fourth proportional to 26,390,962.09, 39,593,036.78 and 18,625,039.60 is: 27,942,212.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,390,962.09 : 39,593,036.78 = 18,625,039.60 : x
  2. Step 2: Convert to fraction form
    26,390,962.09/39,593,036.78 = 18,625,039.60/x
  3. Step 3: Cross multiply
    26,390,962.09x = 39,593,036.78 × 18,625,039.60
  4. Step 4: Simplify right side
    26,390,962.09x = 737,421,877,911,756.62
  5. Step 5: Solve for x
    x = 737,421,877,911,756.62/26,390,962.09
  6. Step 6: Final answer
    x = 27,942,212.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.